/Engine/Plugins/Importers/USDImporter/Source/USDUtilities/Public/USDAttributeUtils.h
Returns whether this attribute has the "Muted" CustomData on the stage's UE state sublayer, meaning it shouldn't be animated when loaded into UE
namespace UsdUtils { bool UsdUtils::IsAttributeMuted ( const [UE::FUsdAttribute](API\Plugins\UnrealUSDWrapper\UsdWrappers\FUsdAttribute) & Attribute, const [UE::FUsdStage](API\Plugins\UnrealUSDWrapper\UsdWrappers\FUsdStage) & Stage ) }